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2. Beutler, G. et al. (2000b). The IAG Review 2000: Executive Summary and Recommendations
3. Beutler, G. (2000). IAG Services in the Current Framework of the International Association of Geodesy (IAG). International Association of Geodesy Symposia, Volume 121, Springer-Verlag Berlin, Heidelberg, New York, ISBN: 0939–9585, pp. 419–423.
4. Feissel, M. (2000a). Scientific Services in Support of Research in Geodesy and Geodynamics. International Association of Geodesy Symposia, Volume 11, Springer-Verlag Berlin, Heidelberg, New York, ISBN: 0939–9585, pp. 428–429.
5. Position Paper presented at the IAG Retreat 2000;M Feissel,2000